| Rank | No Fuel Used Heating House Percentage ▼ | School District / Population |
| 1. | 66.8% | Gadsden Elementary District / 28,694 |
| 2. | 51.7% | Somerton Elementary District / 22,334 |
| 3. | 19.9% | Yuma Union High School District / 195,266 |
| 4. | 19.4% | Sentinel Elementary District / 111 |
| 5. | 12.6% | Crane Elementary District / 43,440 |
| 6. | 10.5% | San Fernando Elementary District / 55 |
| 7. | 8.3% | Yuma Elementary District / 100,798 |
| 8. | 7.8% | Topock Elementary District / 2,525 |
| 9. | 7.1% | Wenden Elementary District / 741 |
| 10. | 6.1% | Walnut Grove Elementary District / 73 |
| 11. | 5.9% | Wilson Elementary District / 3,247 |
| 12. | 4.9% | Canon Elementary District / 2,661 |
| 13. | 4.5% | Bouse Elementary District / 811 |
| 14. | 4.3% | Bicentennial Union High School District / 10,085 |
| 15. | 4.1% | Salome Consolidated Elementary District / 2,899 |
| 16. | 4.1% | Quartzsite Elementary District / 5,634 |
| 17. | 3.9% | Riverside Elementary District / 6,837 |
| 18. | 3.3% | Empire Elementary District / 505 |
| 19. | 3.1% | Mohawk Valley Elementary District / 1,677 |
| 20. | 2.8% | Stanfield Elementary District / 4,758 |
| 21. | 2.7% | Ash Fork Joint Unified District / 2,031 |
| 22. | 2.6% | Hyder Elementary District / 439 |
| 23. | 2.6% | Hayden-Winkelman Unified District / 1,275 |
| 24. | 2.6% | Parker Unified School District / 10,263 |
| 25. | 2.6% | Name N/A / 2,262,744 |
| 26. | 2.5% | Gila Bend Unified District / 2,610 |
| 27. | 2.4% | Naco Elementary District / 1,547 |
| 28. | 2.2% | Murphy Elementary District / 13,666 |
| 29. | 2.2% | Indian Oasis-Baboquivari Unified District / 6,666 |
| 30. | 2.1% | Willcox Unified District / 7,579 |
| 31. | 2.0% | Owens-Whitney Elementary District / 628 |
| 32. | 1.8% | Red Rock Elementary District / 3,067 |
| 33. | 1.7% | Isaac Elementary District / 43,040 |
| 33. | 1.7% | Saddle Mountain Unified School District / 8,320 |
| 35. | 1.7% | Phoenix Elementary District / 54,631 |
| 35. | 1.7% | Avondale Elementary District / 49,323 |
| 35. | 1.7% | Douglas Unified District / 22,014 |
| 38. | 1.7% | Nogales Unified District / 21,898 |
| 38. | 1.7% | Tuba City Unified District / 16,926 |
| 40. | 1.7% | Creighton Elementary District / 66,503 |
| 41. | 1.6% | San Carlos Unified District / 5,591 |
| 42. | 1.6% | Roosevelt Elementary District / 105,099 |
| 43. | 1.6% | Union Elementary District / 15,110 |
| 44. | 1.5% | Balsz Elementary District / 29,647 |
| 45. | 1.5% | Pima Unified District / 3,424 |
| 46. | 1.4% | Mohave Valley Elementary District / 20,894 |
| 47. | 1.4% | Patagonia Elementary District / 1,362 |
| 48. | 1.4% | Beaver Creek Elementary District / 5,652 |
| 49. | 1.4% | Buckeye Elementary District / 39,188 |
| 49. | 1.4% | Colorado River Union High School District / 63,402 |
| 51. | 1.3% | Liberty Elementary District / 24,826 |
| 51. | 1.3% | Phoenix Union High School District / 670,209 |
| 53. | 1.3% | Buckeye Union High School District / 67,494 |
| 54. | 1.2% | Bagdad Unified School District / 2,432 |
| 55. | 1.2% | Ajo Unified District / 3,787 |
| 56. | 1.2% | Cartwright Elementary District / 119,571 |
| 57. | 1.1% | Agua Fria Union High School District / 128,761 |
| 58. | 1.1% | Fort Thomas Unified District / 5,401 |
| 59. | 1.0% | Sunnyside Unified District / 91,086 |
| 60. | 1.0% | Alhambra Elementary District / 88,563 |
| 61. | 1.0% | Osborn Elementary District / 38,505 |
| 62. | 0.9% | Madison Elementary District / 56,191 |
| 62. | 0.9% | Washington Elementary District / 229,457 |
| 64. | 0.9% | Tucson Unified District / 477,922 |
| 65. | 0.9% | Sacaton Elementary District / 7,465 |
| 66. | 0.9% | Bullhead City School District / 39,983 |
| 67. | 0.9% | Pinon Unified District / 6,729 |
| 67. | 0.9% | Antelope Union High School District / 6,187 |
| 67. | 0.9% | Santa Cruz Valley Union High School District / 17,712 |
| 70. | 0.9% | Whiteriver Unified District / 12,202 |
| 71. | 0.9% | Glendale Union High School District / 328,488 |
| 72. | 0.8% | Tempe School District / 148,671 |
| 73. | 0.8% | Kingman Unified School District / 68,561 |
| 73. | 0.8% | Sanders Unified District / 6,436 |
| 73. | 0.8% | Casa Grande Elementary District / 62,832 |
| 76. | 0.8% | Palominas Elementary District / 10,560 |
| 76. | 0.8% | Lake Havasu Unified District / 55,833 |
| 78. | 0.8% | Casa Grande Union High School District / 88,203 |
| 79. | 0.8% | Solomon Elementary District / 3,823 |
| 80. | 0.8% | Hackberry School District / 1,223 |
| 80. | 0.8% | Litchfield Elementary District / 79,438 |
| 82. | 0.8% | Congress Elementary District / 1,631 |
| 83. | 0.7% | Duncan Unified District / 2,767 |
| 84. | 0.7% | Tolleson Elementary District / 15,837 |
| 85. | 0.7% | Winslow Unified District / 11,733 |
| 86. | 0.7% | Mayer Unified District / 5,602 |
| 87. | 0.7% | Coolidge Unified District / 37,433 |
| 88. | 0.7% | Patagonia Union High School District / 3,163 |
| 89. | 0.7% | Laveen Elementary District / 44,709 |
| 90. | 0.6% | Tempe Union High School District / 303,177 |
| 91. | 0.6% | Fowler Elementary District / 32,062 |
| 91. | 0.6% | Bisbee Unified District / 6,705 |
| 93. | 0.6% | Mesa Unified District / 468,084 |
| 93. | 0.6% | Eloy Elementary District / 6,644 |
| 93. | 0.6% | Amphitheater Unified District / 134,383 |
| 96. | 0.6% | Morristown Elementary District / 1,485 |
| 96. | 0.6% | Glendale Elementary District / 99,031 |
| 98. | 0.6% | Palo Verde Elementary District / 2,145 |
| 99. | 0.6% | Altar Valley Elementary District / 7,069 |
| 99. | 0.6% | Tolleson Union High School District / 173,006 |
| 101. | 0.6% | Prescott Unified District / 55,352 |
| 101. | 0.6% | Wickenburg Unified District / 11,718 |
| 103. | 0.5% | Nadaburg Unified School District / 8,546 |
| 104. | 0.5% | Dysart Unified District / 169,324 |
| 105. | 0.5% | Pomerene Elementary District / 1,106 |
| 106. | 0.5% | Marana Unified District / 89,418 |
| 106. | 0.5% | Window Rock Unified District / 12,438 |
| 108. | 0.5% | Paradise Valley Unified District / 251,892 |
| 108. | 0.5% | Double Adobe Elementary District / 632 |
| 108. | 0.5% | Flowing Wells Unified District / 29,583 |
| 111. | 0.5% | Chino Valley Unified District / 21,274 |
| 112. | 0.4% | Kyrene Elementary District / 154,506 |
| 112. | 0.4% | Payson Unified District / 21,510 |
| 114. | 0.4% | Littleton Elementary District / 41,072 |
| 114. | 0.4% | Pendergast Elementary District / 68,925 |
| 116. | 0.4% | Apache Junction Unified District / 56,829 |
| 117. | 0.4% | Ray Unified District / 3,676 |
| 117. | 0.4% | Pearce Elementary District / 2,017 |
| 119. | 0.4% | Cottonwood-Oak Creek Elementary District / 30,677 |
| 120. | 0.4% | Catalina Foothills Unified District / 30,821 |
| 121. | 0.4% | Deer Valley Unified District / 243,403 |
| 121. | 0.4% | Mingus Union High School District / 34,444 |
| 123. | 0.3% | Chandler Unified District / 231,764 |
| 123. | 0.3% | Maricopa Unified School District / 49,568 |
| 125. | 0.3% | Snowflake Unified District / 12,166 |
| 126. | 0.3% | Holbrook Unified District / 10,570 |
| 126. | 0.3% | Benson Unified School District / 7,238 |
| 126. | 0.3% | Red Mesa Unified District / 7,761 |
| 129. | 0.3% | Peoria Unified School District / 218,476 |
| 130. | 0.3% | Cedar Unified District / 8,026 |
| 130. | 0.3% | Gilbert Unified District / 192,279 |
| 130. | 0.3% | Santa Cruz Valley Unified District / 20,263 |
| 133. | 0.3% | Flagstaff Unified District / 93,120 |
| 134. | 0.3% | Sierra Vista Unified District / 49,181 |
| 135. | 0.2% | Valley Union High School District / 3,518 |
| 136. | 0.2% | Chinle Unified District / 20,277 |
| 137. | 0.2% | Tanque Verde Unified District / 11,845 |
| 138. | 0.2% | Page Unified District / 13,337 |
| 139. | 0.2% | Scottsdale Unified District / 226,958 |
| 140. | 0.2% | Miami Unified District / 8,468 |
| 141. | 0.1% | Humboldt Unified District / 52,054 |
| 142. | 0.1% | Florence Unified School District / 75,228 |
| 142. | 0.1% | Kayenta Unified District / 9,909 |
| 144. | 0.1% | Queen Creek Unified District / 28,951 |
| 145. | 0.1% | Continental Elementary District / 27,303 |
| 145. | 0.1% | Fredonia-Moccasin Unified District / 3,162 |
| 145. | 0.1% | J. O. Combs Unified School District / 38,281 |
| 148. | 0.0% | Cave Creek Unified District / 55,010 |
| 149. | 0.0% | Higley Unified District / 69,496 |
Please note that we only rank locations with 'No Fuel Used Heating House Percentage' data. The rank above might not be a complete list. Locations without 'No Fuel Used Heating House Percentage' data are not listed.
